Dubaha Dostia is a village in Madhuban tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Dubaha Dostia was 1,042 which includes 550 males and 492 females. Dubaha Dostia covers 199 ha area. Pincode of Dubaha Dostia is 845420.